Warping-machine.



. Patented Apr.9, 1912.

6 SHEETS-SHEET 1.

llrropmsrs.

COLUMBIA PLANOGRAPH CO.,WASHXNGTON. D. c.

\F.S.RAND. WARPING MACHINE.

APPLICATION FILED NOV. 22, 1909.

1,022,755. Patented Apr. 9, 19-12.

6 SHEETS-SHEET 2.

lV/T/VEGSES: WK/WUP:

r; V y g k! M W v r I I I I I 0- lrrop/vera.

COLUMIIA PLANODRAPH Cm. WASHINGTON. D. c.

F. S.-RAND.

WARPING MACHINE.

APPLICATION FILED NOV. 22, 1909.

Patented Apr; 9, 1912.

' 6 SHEETS-SHEET 3.

l/V/r/vasszs:

lrrapn/z/St AW m COLUMBIA PLANOGRAFN CCLJVASHINOTON, D. c.

F. s. RAND. WARPING MACHINE.

A PPLIOATIONIILED NOV. 22, 1909.

1,022,755. Pater lted Apr. 9,1912.

6 SHEETS-SHEET 4.

IIIIIIIII LANOGRAPH (10., WASHINGTON, D. C.

F. S. RAND.

WARPING MACHINE.

APPLIQATION FILED NOV. 22, 1909.

[1,022,755, Patented Apr.9, 1912.

6 SHEETS-SHEET 5.

Arme/vira' ODLUMIIA PLANOOIAPH c0., WAsmNmN. D. c.

P. S. RAND.

WARPING MAGHINB. APPLIOA'HON PILED NOV. 22, 1909.

Patnted Apr. 9, 1912.

6 SHEETS-SHEET 6.

Mme-55:5 I I I Arno/vars UNITED STATES PATENT OFFICE.

FESTUS S. RAND, OF PROVIDENCE, RHODE ISLAND, ASSIGNOR TO UNIVERSALWINDING COMPANY, OF PORTLAND, MAINE, A CORPORATION OF MAINE.

WABPING-MACHINE.

Specificationof Letters Patent.

Patented Apr. 9, 1912.

Application filed November 22, 1909. Serial No. 529,394.

- To all whom it may concern:

Be it known that I, Fnsrus S. RAND, a citizen of the United States,residing at Providence, in the county of Providence and State of RhodeIsland, have invented certain new and useful Improvements inWVarping-Machines, of which the following is a specification.

My invention relates to warping or beaming machines and consists ofimprovements in the means for controlling the drop-wires which act tostop the machine when a thread breaks or becomes slack.

The object of my invention is to provide a simple device for returningthe drop-wires to their initial positions after the operation of themachine has been arrested, so that they may be easily threaded up againin repairing the broken threads, and to prevent their acting on thestop-motion when the machine is started with the threads slack.v V

My'invention is fully described in the following specification,illustrated by the accompanying drawings, in which Figure 1 is anelevation showing one side of the warping machine, viewed in thedirection indicated by the arrow in Fig. 2, with my new device appliedthereto Fig. 2, a front elevation of the left-hand end of the machine,showing the driving-pulleys and brake-wheel; Fig. 3, an end elevation ofthe right-hand side of the machine, showing the knock-off arrangementfor the stop-mo- .tion; Fig. 4, an enlarged detail view of thedrop-wires and stop-motion vibrator, showing the relation of my improveddevice thereto; Fig. 5, an enlarged sectional view of the drivingmechanism for the-machine, taken on a vertical plane extending throughthe axis of the driving pulleys; Fig. 6, an end view of the same lookinginthe direction indicated by the arrow, Fig. '5, and part sectional onthe line 1515 with the parts at the left of this line removed; Fig. 7, aface view of the locking device' or clutch mechanism for connectingtheinternal gear with the driving shaft C, with the lower portion of theinternal gear removed beyond the line 1616.

In the drawings I have shown a usual form of warping or beaming machineadapted for winding yarns in multiple from a creel or othersupply-holder or tea warp or section-beam.

The machine consists essentially of two tional contact with the yarnwound thereon.

The beam B on which the yarn is wound consists of the cylindrical barrel6 having heads or flanges b secured at its ends and provided withtrunnions b which rotate in bearings at the ends of the arms 6 and 6*.The arms 79 and b are hinged on a rod b extending between the end framesof the machine and weights b dependent from the ends of the arms, serveto keep the beam in contact with the driving-drum D. The drum D is'of alength to adapt it to fit between the heads on the beam and as the yarnis wound on to the barrel 6 the beam rises up from the drum, supportedon the swinging arms 6 and 6 see Fig. 1. Preferably the shaft G isrotated through a system of driving-pulleys c c and a driven from a beltx and arranged to start the rotation of the drum D at a relativelyslowspeed. The pulley 0 is an idler on which the belt runs when themachine is inoperative and to start the rotation of the shaft G the beltis shifted on to the pulley 0 The pulley 0 like the pulley 0, is free torotate on the shaft C, but is connected therewith by a train of gears,through which its rotation is imparted to the shaft at a slower rateof'speed.

The means for imparting rotation from the pulley 0 to the shaft G at aslower rate of speed might be of any well known arrangement, but I havepreferred to illustrate in Figs. 5, 6, and 7, the system of planetarygearing shown and particularly described in my application for Patent,Serial'No. 527,270, filed November 10th, 1909. 'This consists of theessential elements as follows: The hub of the pulley 0 carries a gear 17and meshing with this gear is a gear 18 fast on a stud 19 which rotatesin a bearing in one of the arms of the pulley 0 At the opposite end ofthe stud 19 is a fast pinion 20 which meshes with an internal gear 21.The gear 21' is mounted on a clutch member 22 held on the shaft Obetween the hubs of the pulley c and brake-wheel 7". The member 22 isheld from rotation with or on the shaft 0 by an arm 23, see Fig. 6,which is forked at its outer end to straddle the rod F extending throughthe frame A of the machine. The internal gear 21 is rotatable on themember 22 in the direction indicated by the arrow, Fig. 7, but is heldfrom rotation in the opposite direction by means now described: The gear21 is formed with a ring 24: fitted to the rim 25 of the member 22 andprovided with wedge-shaped pockets 26, 26, etc. Mounted in these pocketsare rolls 27, 27 etc., which ride on the rim 25, being retained inposition by a thin ring or washer 28 secured to the face of the rim 25by screws 29, see Fig. 5. The rolls 27 are of a diameter to adapt themto fit loosely in the large ends of the pockets 26, as indicated bydotted lines, Fig. 7; but at the small ends of the pockets they bindtightly to lock the ring 2t of the gear 21 against the rim 25. Thisarrangement is a familiar principle in clutch mechanisms and when thegear 21 is turned in the direction indicated by the arrow, Fig. 7, therolls are carried into the large ends of the pockets and the gearrotates freely on the member 22. hen the gear 21 is turned in theopposite direction the rolls will be carried into the small ends of thepockets and after a slight movement the gear will be held from furtherrotation.

The operation of the device is as follows: When the belt as is shiftedon to the pulley 0 it turns the latter in the direction indicated by thearrow 30, Fig. 6, and the gear 17 fast on its hub turns the gear 18 inthe direction indicated by the arrow 31. The gear 18 being keyed on thestud 19 and the stud being fast in the pinion 20, the latter will beturned in the same direction to tend to rotate the internal gear 21 inthe opposite direction as indicated by the arrow 32, Fig. 6. Thetendency of rotation imparted to the gear 21 is therefore opposite tothe rotation of the pulley 0 and a slight movement of the gear in thisdirection locks the rolls 27 against the clutch-member 22 as previouslyexplained. The gear 21 being locked against rotation under impulse ofthe pinion 20, the latter will then travel around said gear with aplanetary motion, carrying with it the pulley 0 on which it is mounted.Owing to the difference in ratios between the gear 18, pinion 20 andgear 21, the pulley 0 will be turned at a slower rate of speed than thatof the pulley 0 and therefore the shaft O on which the pulley c is keyedis likewise driven at a slower speed.

After the rotation of the shaft is started at a slow speed and theinertia of the moving parts has been overcome the belt is shifted on tothe pulley c which is fast on the shaft and therefore drives the latterpositively at the maximum speed, equal to the speed of the pulley.

When the shaft C is rotated directly by the pulley 0 the friction of theteeth of the intermeshing gears 20 and 21 will cause the latter torotate with the pulley in the same direction. When the gear 21 rotatesin this direction the rolls 27 in the pockets 26 are freed from theirclutching contact so that the gear turns freely on the member 21. Thefriction between the intermeshing gears 17 and 18 will also act torotate the pulley c with the pulley 0 and therefore all of theseelements rotate together as a single unit with the shaft C and the gearsare saved from wear.

For shifting the belt from one pulley to another I have shown a usualform of belt-- shipper WV, pivoted at w on a standard Z secured to thefloor, and operated through a bell-crank arm w, see Fig. 2. The end ofthe arm w is forked at w and engaging the opening in the fork is a pinsecured in the arm of a bracket 0 which is fastened on the treadle Eadapted. to be moved by the operators foot. The treadle E consists of afoot-piece 6 extending along the front of the machine and supported atthe extremities of the arms (2 and 0 which are secured to the rod F. Therod F is pivotally mounted in the frames A and A and extends out beyondthe frame A at the left hand end of the machine. Secured to this end ofthe rod F is an arm f carrying a brake-shoe f at its outer extremity,adapted to bear on the periphery of a brake-wheel f fast on the shaft C,see Fig. 1. An arm 9 is also secured to the rod F between the arms 6 ande and carries a weight G at its outer end. The weight G acts to lift thetreadle E and through the connection of the latter with the belt-shipperW the belt 00 is shifted from the tight pulley 0 back on to the idlerpulley c. As the treadle E is raised to shift the belt the brake-shoe fcomes into contact with the brake-wheel f to apply a braking force toarrest the rotation of the shaft C.

To start the rotation of the shaft C the treadle E is pressed downwardby the foot of the operator and the belt is carried first on to thepulley c and then on to the pulley 0 as previously explained. The beltis kept on the pulley 0" in starting the operation of the machine byholding the foot on the treadle, but after the belt has been shifted tothe pulley 0 it is necessary to retain it in this position during theoperation of the machine, and to effect this. means are provided to holdthe treadle in its lowermost position. As shown in Fig. 3, the means forlocking the treadle E consists of a detent staff or rod H pivoted at hon the arm 6 with its upper end extending through a guiding loop orstaple 71/ fastened to the frame of the machine. The upper extremity ofthe rod H slides in the staple it and is formed with a shoulder k whichis adapted to engage one side of the staple when the rod H is moved bygravity after the treadle has been moved to itslowermostposition.

The detent rod H is arranged to be "released to allow the treadle E torise, under influence of its weight G, by a knock-off device shown inFig. 3 and now described: Fast on the end of the driving-shaft C is acam I having a cam groove 2' on its inner face. A lever J is pivoted atj on the frame A and at its opposite end carries a stud or roll jengaging the cam groove 2'. A link L connects the lever J with an arm Ksecured to a-rocker-shaft M. Mounted on the rocker-shaft M is an arm N,see Fig. 4, which is. connected at n to a vibrator-plate or bracket 0adapted to reciprocate transversely of the shaft M. Theplate O ismounted to slide on rolls 0, 0 pivoted on a bracket P, thelatter formedwith a lug p resting on the shaft M and an extending arm 79 secured tothe rod 79 A corresponding plate 0 is located at the opposite end of themachine and with other similar plates placed at intervals between themthey serve to support the horizontal bars R, R. etc. which extend thelength of the machine. Extending between the end frames of the machineare three horizontal rods S, S. S which support the drop-wires T, T,etc. The drop-wires are shown in the form of wire loops 2, adapted to behooked over the yarns or threads and having their lower ends secured inblocks t, 2? etc. The blocks t are pivoted at t in the hinge-members tthe latter having tongues 25 fitted to longitudinal slots 8 in the rodsS. A spring clamp .9 serves to bind the hinges 23 against the rods S andthe tongue-and-groove arrangement prevents lateral displacement whileallowing the hinges to be slid along the rods to adjust the drop-wiresto the positions of the yarns. The blocks t are formed with shoulders iadapted to engage shoulders r, r on the bars R. I

The yarns y lead from the creel, not here shown, to the back of thewarper, and passing under a lease-rod u and through asep arating comb uare individually hooked through the loops of the drop-wires T, T, etc.,-the latter being arranged in several groups or banks to prevent crowdingand to facilitate their threading up. From the drop-wires T the yarnslead through a second comb or reed a and thence pass over a roll 01, anddown to the beam B. As the beam is rotated the yarns are drawn taut tosupport the drop-wires in their upright po- 'sitions, as shown inFig. 1. When a yarn breaks or becomes slack the drop-wire with which itengages will be caused by gravity to fall into the position shown byfull lines in Fig. 4. The vibrator-plate O is reciprocated continuouslyduring the operation of the machine through its connection by the arm'Nt0 the rocker-shaft M, the latter betened to-the top of end frames A andA 4 ing oscillated by the arm K rocked by the lever J through the linkL. The lever J is oscillated from the cam I and is operated continuouslyduring the rotation of the shaft C. When a drop-wire falls its block tdrops down on to the bar R and as the latter is moved backward in itsreciprocation with the plate 0 the shoulder t will engage the shoulder4r on the bar B. This engagementprevents the forward movement of thevibrator-plate O and acts to disconnect the lever J from the arm K andstop the machine, as now described: The link L is made 7 in two parts Zand Z connected inductively by an arrangement which allows it to beextended when the arm K is held from movement. The end of the member Zof the link engages an abutment Z on the portion Z to give a positiveconnection for lifting the arm K, and at Z the member Z is formed with abeveled shoulder engaging a corre sponding shoulder Z on the member Z.The two members Z and Z are spliced together by a yielding arrangementconsisting of a stud Z extending from the member Z through a slot in themember Z and carrying a spring Z adapted to press the two memberstogether. Under normal stress the engagement of the beveled shoulders Zand Z gives a connection between the two members Z and Z sufficientlystrong to cause the link L to be reciprocated longitudinally as onepiece.

'without the member Z.

The link L is guided in its movement by a staple m on a bracket X andpivoted on this bracket is a knock-off lever Q. The lever Q, is formedwith an upwardlyextend ing arm 9 formed with a tail adapted to engagethe detent rod H, and a toe 7 adjacent the link L. The link L has ashoulder Z which normally 'reciprocates in a path to just clear it fromthe toe 9 When, how; ever, the member Z is separated from the member Zthe shoulder Z will be carried into position to engage the toe'q on thedownward stroke of the link L and, through this engagement, will. rockthe lever Q to move the rod H and release its detent shoulder b from thestaple it. When the detent rod H is released the treadle E will be freeto move upward under influence of the are clamps V which secure the rodsS, S, etc. in position on the frames. The clamps V are drilled withholes for receiving hori zontal rods 1), o, a), which extend between theframes A, A longitudinally of the ma chine. Mounted on the rods 0 arebell-crank levers o, 1*, etc. having arms 11 and Q1 Secured in the endsof the arms Q12 are wires 2 which. extend the whole length of the machine and are supported by levers similar to the levers o arranged atintervals along the rods o. lVith the levers o in the post tions shownby full lines in Fig. 4 the wires 2 will be in. positions just belowtheir adjacent lines of fallen dropwires; and by rocking the levers tothe positions indicated by the dotted lines in Fig. 4c the wires 2 willbe carried up against the drop-wires to raise the latter to theirupright positions. To operate the levers o I provide a means forconnecting them with the treadle E consisting of a rod 3, fastened tothe arm '0 of the forward lever, and a link f connecting the severallevers of the series. The link I is'preferably formed with a straightbar 5 having ofi'set lugs 6, pivoted to the arms 12 by the screws 7. Theoffsets in the link provide for a clearance between the bar 5 and therods S when the levers are rocked upward. The rod 3 is preferably in twoparts connected by a turnbuckle 8 which provides for adjusting thelength of the rod, see Figs. 1 and 2. The upper end of the rod isconnected to the lever o by a stud or pin 9 screwed or driven into thearm 12 and several holes "a are provided in the arm so that theconnection may be shifted to adjust the opera-- tive length of thelever. At its lower end the rod 3 is connected to the arm 6 of thetreadle E by a bolt 11.

The operation of the device is as follows: The machine is started tooperate by pressing downward on the treadle E to shift the belt aspreviously described. As the treadle moves downward the levers o arerocked, through the link 3, to move the wires 2 away from the drop-wiresso that the latter will be free to fall to act on the stop-motion. Viththe treadle held in its lowermost posit-ion under restraint of thedetent rod H the wires 2 will be in the positions shown in Fig. 1. W hena thread breaks or becomes slack the drop-wire which it supports fallsand engages the vibrator-plate O to release the detent rod I-I. As therod H is released and the treadle E rises to effect the shifting of thebelt to stop the machine the connecting rod 3 acts to rock the levers oupward. This movement of the levers carries the wires 2 up against theadjacent drop-wires of the several banks and retains them in theirupright positions. The drop-wires are therefore held from falling whenthe threads become slack, as the beam ceases to rotate, and are allretained in position to be easily accessible for rethreading when theends are pieced up. ithout such an arrangement the operator would beobliged to reach down through the great mass of yarns and between theclosely spaced drop-wires to rest-ore a fallen drop so that it could bethreaded in piecing up and, obviously, this is a difiiculttask. Anotheradvantage of my improvement is that the device prevents the drop-wiresfrom chattering on the vibratorplate to interfere with the movement ofthe latter when the operation of the machine is first started. Then themachine is started the beam is rotated slowly at first as previouslyexplained so that the yarns will not be subjected to a too suddentension of draft. As the yarns are taken up slowly at first, the tensionon them will not be SllffiClQIlt to hold the drop-wires in their raisedpositions, but as the wires 2 are only moved down half way when the beltis shifted on to the second pulley the wires 2 will therefore be inposition to keep the dropwires away from the vibrator-plate until theyare taken up under the maximum tension of the yarns when the rotation ofthe beam is accelerated. The drop-Wires are therefore prevented fromholding the vibrator-plate so that the detent rod H cannot be engaged tolock the treadle.

My invention provides a simple, efficient means for automaticallycontrolling the drop-wires, operated from .the starting mechanism of themachine without the intervention of complicated mechanism, and adaptedto give greater convenience in operating the machine.

I have shown my device applied to a machine having a usual form of beltshipping device, detent means and knock-off mecha nism and I do notclaim this part of the machine by itself, nor do I claim the improvedform of drop-wires and co-acting feeler mechanism herein described, thesame being subject of a separate application, Serial No. 559,425, filedMarch 30, 1910.

What I do claim is 1. In a warping-machine, the combination with adriving-shaft, of means to rotate the shaft at slow or fast speed,mechanism to control said means, a treadle to operate said controllingmechanism, means to shift the treadle to arrest the rotation of theshaft, pivoted drop wires held upright by the yarns and adapted to tiltto actuate the treadle-shifting means, and means to prevent thedrop-Wires from acting when the machine is operating at slow speed andto return them to their initial positions when the machine is stopped.

2. In a warping-machine, the combination with a driving-shaft, of meansto rotate the shaft at slow or fast speed, mechanism to control saidmeans, stop-motion devices to operate the controlling mechanism, pivoteddrop-wires adapted to be suspended by the yarns and arranged to tilt toactuate the stop-motion devices to stop the machine, and

means to prevent the drop-Wires from acting when the machine isoperating at slow speed.

3. In a warping-machine, the combination with a driving-shaft, of anidler pulley on said shaft, a second pulley connected to rotate theshaft at a relatively slow speed, a third pulley fast on the shaft torotate the latter at a maximum speed, means toshift the belt from onepulley to another to start the machine, stopping mechanism to operatethe belt-shifting means to stop the machine, pivoted drop-wiressuspended by the yarns and adapted, when the machine is operating atmaximum speed to tilt to actuate the stopping mechanism, and means tocontrol the position of the drop-wires to prevent them from tilting whenthe machine is operating at slow speed and to return them to theirinitial positions when the machine is stopped. 4:. In a warping-machine,the combination vwith a driving-shaft, of means to rotate the shaft atslow speed, means to rotate the shaft at a greater speed, means torender one or the other of said means operative, stopping mechanism toarrest the rotation of the shaft, pivoted drop-wires held upright bytheyarnsand adapted to tilt to actuate the stopping mechanism, and meansto regulate tate the shaft at a relatively slow speed, a

third pulley fast on the shaft to'rotate the latter at maximum speed, abelt-shipper to shift the belt from one pulley to another, a treadle tooperate said belt-shipper, means to move the treadle to shift the belton to the V idler pulley to stop the machine, knock-0E devices to causethe action of the treadle,

drop-wires held upright by the yarns and adapted, when the belt is onthe third pulley, to tilt to actuate the knock-off devices,

. and means controlled by the treadle to hold the drop-wires in theirupright positions when the machine is stopped and arranged to preventthe drop-wires from actuating the knock-off devices when the treadle ismoved to shift the belt onto the second pulley.

6. In a warping-machine, the combination wit-h a driving-shaft, of meansto rotate said shaft, devices to control the operation of said means,drop-wires held upright by the threads and adapted to tilt to cause theFESTUS S. RAND.

Witnesses:

GRACE W. BROWN, ARTHUR I. HARVEY. I

Copies of this patent may be obtained for five cents each, by addressingthe Commissioner of Patents, Washington, D. C.

